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Sphagnum fuscum : ウィキペディア英語版 | Sphagnum fuscum
''Sphagnum fuscum'', the rusty peat moss, is a peat moss found commonly in Norway and Sweden, and can be found scattered across North America, the United Kingdom, and in southern to eastern Europe.〔(【引用サイトリンク】url=http://www.gbif.org/species/2669215 )〕 ==Description== ''Sphagnum fuscum'' is brown to greenish brown in color with slender brown stems. It is individually less robust than other peat mosses, especially when clumped into compact hummocks. The moss will form thread-like branches interwoven within hummocks. The leaves along the stem are tongue-shaped, while the leaves along the branches are pointed and lance-shaped. During the sporophyte stage, the moss will have a short stalk of around 1-2mm, with a brown capsule of about 1-1.5mm. ''Sphagnum fuscum'' prefers older, drier bogs to inhabit and will formulate hummocks in such conditions. In bogs dominated by black spruce, ''S. fuscum'' will form extensive ground cover. On average, ''S. fuscum'' inhabits more acidic soils with pH ranging from 3.6-7.5, and is also able to colonize at high elevations. The moss is circumpolar.
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